Pith Number

pith:BWPMSUHS

pith:2019:BWPMSUHSROVNLPY5UPX4XKXI3W

not attested not anchored not stored refs pending

Unsupervised Deep Learning Algorithm for PDE-based Forward and Inverse Problems

Leah Bar, Nir Sochen

arxiv:1904.05417 v1 · 2019-04-10 · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWPMSUHSROVNLPY5UPX4XKXI3W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

3 papers in Pith

A Spectral Approach for Learning Spatiotemporal Neural Differential Equations

SciML Agents: Write the Solver, Not the Solution

Neural Operator: Graph Kernel Network for Partial Differential Equations

Receipt and verification

First computed	2026-05-17T23:48:49.593141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9ec950f28baad5bf1da3efcbaae8dda87595446acd676f28e5849102d68ee8

Aliases

arxiv: 1904.05417 · arxiv_version: 1904.05417v1 · doi: 10.48550/arxiv.1904.05417 · pith_short_12: BWPMSUHSROVN · pith_short_16: BWPMSUHSROVNLPY5 · pith_short_8: BWPMSUHS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BWPMSUHSROVNLPY5UPX4XKXI3W \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0d9ec950f28baad5bf1da3efcbaae8dda87595446acd676f28e5849102d68ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef020ea3f099c23bf5c0e6c99e6603d98c06cd0f60cb42c79b42e6ac429b9f3",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-10T20:01:48Z",
    "title_canon_sha256": "dd15dc351be3b27d5024dfe20c67c122af895a37923e0820bf0b4d4cfff6954f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05417",
    "kind": "arxiv",
    "version": 1
  }
}